<template>
  <div class="box-a">
    二级 - 子组件A
    <ProviedeB />
  </div>
</template>

<script setup lang="ts">
import ProviedeB from "./ProviedeB.vue";
</script>

<style scoped>
.box-a {
  width: 100%;
  height: 100px;
  border: 2px solid #eee;
  padding: 24px;
  color: #fff;
  background: gray;
}
</style>
